When this object is set to 'true', Gateway waits for a
RADIUS accounting response before sending a create PDP
or Bearer context response to the MME or SGSN, for create
PDP or Bearer context requests received at a particular APN.
When this object is set to 'false', Gateway sends create
PDP or Bearer response to MME or SGSN after sending a RADIUS
start accounting message to the RADIUS server (without waiting
for a response from the RADIUS accounting server).